[1] And the LORD visited Sarah as he had said, and the LORD did unto Sarah as he had spoken. [2] For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken [3] And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac. [4] And Abraham circumcised his son Isaac being eight days old, as God had commanded [5] And Abraham was an hundred years old, Isaac was born unto him.